/Engine/Source/Runtime/SlateCore/Public/Types/SlateAttributeMetaData.h
Get the name of all the attributes, if available.
static [TArray](API\Runtime\Core\Containers\TArray)< [FName](API\Runtime\Core\UObject\FName) > GetAttributeNames ( const [SWidget](API\Runtime\SlateCore\Widgets\SWidget) & OwningWidget )